64001925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21881}}^1$

素因数の和:21910

約数の個数: 36

約数和(自身を含む): 123458244

約数和(自身を除く): 59456319

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 21881, 65643, 109405, 196929, 284453, 328215, 547025, 853359, 984645, 1422265, 1641075, 2560077, 4266795, 4923225, 7111325, 12800385, 21333975, 64001925]

約数ペア:

[(1, 64001925), (3, 21333975), (5, 12800385), (9, 7111325), (13, 4923225), (15, 4266795), (25, 2560077), (39, 1641075), (45, 1422265), (65, 984645), (75, 853359), (117, 547025), (195, 328215), (225, 284453), (325, 196929), (585, 109405), (975, 65643), (2925, 21881)]